Sudoku Lab vs Opening Edge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku Lab
Engage with over 50,000 unique Sudoku puzzles and a practice mode featuring 24 distinct strategies. Utilize a 'Forward' command to automate simple moves and a three-stage hint system to guide your strategic thinking. Enjoy offline play with no internet connection required and a commitment to user privacy.
- 50,000+ unique Sudoku puzzles
- Practice Mode with 24 strategies
- Automated 'Forward' command
- Three-stage hint system
- Offline play, no internet needed
- Private, no data collection
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50,000+ unique puzzles. Convenient Practice Mode with 24 strategies so far, with more coming. “Forward” command to auto-perform trivial actions (solve Naked or Hidden Singles), so that you can concentrate on the strategy. Three-stage Hint system with the first stage just giving you the strategy name, so you can have another look at the board. No Internet connection is ever needed. After you install the app :) Private - no tracking, no data collection of any kind. No adds!
Opening Edge
Discover chess openings tailored to your playing style. Input your preferences like aggressiveness and tactical play to get personalized recommendations. Explore alternatives and understand why each opening suits you.
- Personalized chess opening recommendations
- Recommendations for White and Black
- Match openings to playing style
- Clear explanations for recommendations
- Alternative opening suggestions
- Clean and easy-to-use interface
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Opening Edge helps you discover chess openings that match your playing style. Choose White or Black, adjust your playing preferences, and get personalized opening recommendations based on factors like aggressiveness, risk tolerance, tactical vs. positional play, complexity, and more. Each recommendation includes a match score, an explanation of why the opening fits your style, and alternative openings to explore.
Screenshots
Verdict
The clearest difference is in-app purchases: Opening Edge at none against Sudoku Lab's 4. Opening Edge also leads on ratings volume (6 vs 1). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sudoku Lab sells 4 one-off in-app purchases. Opening Edge asks for nothing beyond the download.
Sudoku Lab holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Opening Edge has 6 ratings behind it against 1, so its average is the more settled of the two.
Sudoku Lab ships an update every 2 weeks, Opening Edge weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Sudoku Lab | Opening Edge |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (6 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.2 — better | 18.6 |
| Further details — not scored | ||
| Size | 7 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Vlad Feinstein | Eric Winchell |
Customer experience
Sudoku Lab
Opening Edge
In-app purchases
Sudoku Lab
- Basic Strategies$0.99
- Advanced Strategies$1.99
- Master Strategies$2.99
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- All Strategies$4.99
Opening Edge
No in-app purchases
Questions
Is Sudoku Lab free?
Is Opening Edge free?
Which has better reviews, Sudoku Lab or Opening Edge?
Do Sudoku Lab or Opening Edge have ads?
Which is updated more often, Sudoku Lab or Opening Edge?
Other comparisons
